diff --git a/EduNetworkBuilder/NetworkBuilder.cs b/EduNetworkBuilder/NetworkBuilder.cs
index d89a5f1..df193bc 100644
--- a/EduNetworkBuilder/NetworkBuilder.cs
+++ b/EduNetworkBuilder/NetworkBuilder.cs
@@ -1632,6 +1632,9 @@ namespace EduNetworkBuilder
                 UpdateMenu();
                 UpdateLinks();
                 UpdateForm();
+                NBSettings ns = NB.GetSettings();
+                if (ns != null && ns.AutoDHCPAllMachinesAtNetworkLoad)
+                    myNetwork.DoAllDHCP();
             }
         }